ADP3166 controller equivalent, 4-phase synchronous buck controller.
Selectable 2-, 3- or 4-Phase Operation at up to 1 MHz per Phase Differential Sensing Error ± 1% over Temperature Logic-Level PWM Outputs for Interface to External High Po.
Desktop PC Power Supplies Next-Generation AMD Processors VRM Modules GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM
VCC 28.
FUNCTIONAL BLOCK DIAGRAM
VCC 28 RAMPADJ RT 14 13
ADP3166
EN 11 UVLO SHUTDOWN AND BIAS OSCILLATOR + GND 19 CROWBAR 6 CSREF 2.1V DAC + 300mV CSREF +
– DAC
– 300mV 23 SW1 PWRGD 10 DELAY 22 SW2 21 SW3 ILIMIT 15 EN CURRENT.
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